Squashed 'plugins/irssi-colors-solarized/' content from commit 83972b9

git-subtree-dir: plugins/irssi-colors-solarized
git-subtree-split: 83972b9ca9e5d7194e513024d9fbe9ac2c2a8a62
Merge commit 'ed2e1b866ac4d08d5908e3a14a2994d20142de06' as 'plugins/irssi-colors-solarized'
Minor changes